<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../../js/jquery-3.4.1.js"></script>
</head>
<body>
<div class="c1 c2 c3">

</div>
<select id="uploadFlag">
    <option value="" selected="selected">全部</option>
    <option value="Y">已上传</option>
    <option value="N">未上传</option>
</select>
<script>

    $(function () {
        $("div[class*='c1']").text(12333);
    })

</script>
</body>
</html>